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San Francisco Police Department have released taxi dashcam video of a person of interest in the case of the gay activist who was found brutally beaten and left for dead in San Francisco’s Castro District. Jodi Hernandez reports. (Published Thursday, Aug. 21, 2014)

San Francisco police have released taxi dashcam video of a person of interest in the case of the gay activist who was found brutally beaten and left for dead in San Francisco’s Castro District.

Police are actively searching for the person responsible for fatally beating Bryan Higgins, whom passers-by found seriously injured around 7 a.m. on Aug. 10 at the corner of Church and Duboce streets, SFPD spokesperson Albie Esparza said Thursday.

Higgins was taken to San Francisco General Hospital but was taken off life support three days later.

The video footage from a passing taxi shows a man in a dark gray hooded sweatshirt with a red shirt underneath and a baseball cap. Police also released a still photo showing the person of interest wearing a red shirt.

Police are investigating Higgins' death as a homicide and have not yet made any arrests.

Higgins, 31, also used the name "Feather Lynn" and was a member of the Radical Faeries, a movement of gay and queer-identified men searching for a spiritual dimension to their sexuality.